Rack



FIG. 1 is a perspective view of a rack showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is another side elevational view thereof;

FIG. 7 is top plan view thereof; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a rack, as shown and described 